Describe the Data Analytics Lifecycle Purpose and Sequence of Phases DATA-SCIENCE-FOUNDATIONS Practice Questions (Page 5)

Questions 21–25

1. 21application · medium

   A retail analytics team is in the communicating results phase of a project to analyze sales trends. They are preparing a presentation for executives. What is the primary goal of this phase?

   • ATo select the best algorithm for sales trend analysis.
   • BTo deploy the sales model into the production system.
   • CTo present findings and insights to stakeholders in an understandable way.
   • DTo clean and prepare the sales data for analysis.
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2. 22application · medium

   A government agency is starting a data analytics project to improve resource allocation. The team is unsure whether to follow the data analytics lifecycle or use an ad-hoc approach. What is the main benefit of using the lifecycle?

   • AIt guarantees the model will be accurate and error-free.
   • BIt ensures the project progresses systematically from business problem to actionable insights.
   • CIt eliminates the need for stakeholder communication during the project.
   • DIt reduces the total cost of the project to zero.
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4. 23application · medium

   An e-commerce company has completed the model building phase and validated that a recommendation model meets performance targets. The team now needs to integrate the model into the company's website so customers receive real-time recommendations. Which phase of the data analytics lifecycle does this activity belong to?

   • ACommunicating results
   • BOperationalization
   • CData preparation
   • DModel planning
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5. 24application · medium

   A healthcare analytics team has completed the model planning phase and has selected a regression algorithm. They have prepared the data and are now ready to train and test the model. Which phase of the data analytics lifecycle are they currently in?

   • AModel building
   • BData preparation
   • CDiscovery
   • DOperationalization
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6. 25foundation · easy

   Why is a data analytics lifecycle used to structure analytics projects?

   • ATo eliminate the need for stakeholder communication during the project.
   • BTo replace the need for domain expertise with a standardized process.
   • CTo ensure the project progresses systematically from understanding the business problem to delivering actionable insights.
   • DTo guarantee that the project will be completed without any errors or need for iteration.
   Reveal Solution Discussion Select an answer first